S62 BIBLIOGRAPHY 



1904. Lang, A. : Ueber Vorversuche zu Untersuchungen iiber die 



Varietatenbildung von Helix hortensis und Helix nemoralis. 

 Festschrift fur Ernst Haeckel. Jena. pp. 437-506. 



1906. Ueber die Mendel'schen Gesetze, Art- und Varietaten- 

 bildung, Mutation und Variation, insbesondere bei unsern 

 Hain- und Gartenschnecken. Verh. Schweiz. Naturf. Ges. 

 Lxxxviii. pp. 209-254. 3 pis. [A very lucid and con- 

 vincing paper, dealing chiefly with experiments on snails.] 



1870. Lankester, E. Ray : Comparative Longevity. 8vo, London, 

 MacMillan & Co. [Suggested the possibility of combining 

 Spencer's and Darwin's theories of pangenesis.] 



1876. A Theory of Heredity. Nature, July 15, 1876. [A 



review of Haeckel's " Perigenesis der Plastidule."] 



1890. The Advancement of Science. Occasional Essays and 



Addresses, 8vo, London, pp. 387. [Including — " De- 

 generation : a Chapter in Darwinism ; Centenarianism ; 

 Parthenogenesis ; a Theory of Heredity ; The History 

 and Scope of Zoology." The last was the article Zoology 

 in the Encyclop. Britannica.] 



1890. The Transmission of Acquired Characters and Panmixia. 



Nature xli. pp. 486-488. 



1 899. The Significance of the Increased Size of the Cerebrum 



in Recent as compared with Extinct Mammalia. Cinquan- 

 tenaire de la Societe de Biologie Paris, pp. 48-51. [A 

 very suggestive essay on the meaning of " educability."] 



1905. Nature and Man. Romanes Lecture, Oxford, pp. 61. 



1907. The Kingdom of Man. Constable & Co. London. 



pp. xii + 191. [A stimulating essay, dealing in great part 

 with the urgent need for more knowledge and for more 

 consistent application of it.] 



1888. Lapouge, G. Vacher de : L'Heredite dans la Science Poli- 

 tique. Revue d'Anthropologie, 1888, p. 182. [Conflict of 

 hereditary forces.] 



1890. Les Lois de I'Heredite (avec preface de R. Baron). 



Bourgeon, Lyons, pp. 45. 



1896. Les Selections Sociales. Paris. (Anthropo-sociological 



School.) 

 1906. Larrabee, a. p. : The Optic Chiasma of Teleosts : a Study of 



Inheritance. Proc. Amer. Acad. xlii. pp. 217-231. 

 1866. Laxton, T. : Observations on the Variations effected by 



Crossing in the Colour and Character of the Seeds of Peas, 



Rep. Internal. Horticultural Exhibition and Botanical Con- 



